> ## Documentation Index
> Fetch the complete documentation index at: https://docs.agno.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Reasoning Finance Agent

> ReasoningTools and WebSearch for step-by-step financial analysis on Slack

## Code

```python reasoning_agent.py theme={null}
from agno.agent import Agent
from agno.db.sqlite import SqliteDb
from agno.models.anthropic import Claude
from agno.os.app import AgentOS
from agno.os.interfaces.slack import Slack
from agno.tools.reasoning import ReasoningTools
from agno.tools.websearch import WebSearchTools

agent_db = SqliteDb(session_table="agent_sessions", db_file="tmp/persistent_memory.db")

reasoning_finance_agent = Agent(
    name="Reasoning Finance Agent",
    model=Claude(id="claude-sonnet-4-20250514"),
    db=agent_db,
    tools=[
        ReasoningTools(add_instructions=True),
        WebSearchTools(),
    ],
    instructions="Use tables to display data. When you use thinking tools, keep the thinking brief.",
    add_history_to_context=True,
    num_history_runs=3,
    add_datetime_to_context=True,
    markdown=True,
)

# Setup our AgentOS app
agent_os = AgentOS(
    agents=[reasoning_finance_agent],
    interfaces=[Slack(agent=reasoning_finance_agent)],
)
app = agent_os.get_app()


if __name__ == "__main__":
    agent_os.serve(app="reasoning_agent:app", reload=True)
```

## Usage

<Steps>
  <Snippet file="create-venv-step.mdx" />

  <Step title="Set Environment Variables">
    ```bash theme={null}
    export SLACK_TOKEN=***
    export SLACK_SIGNING_SECRET=***
    export ANTHROPIC_API_KEY=***
    ```
  </Step>

  <Step title="Install Dependencies">
    ```bash theme={null}
    uv pip install 'agno[slack]'
    ```
  </Step>

  <Step title="Run Example">
    ```bash theme={null}
    python reasoning_agent.py
    ```
  </Step>
</Steps>

## Key Features

* **Chain-of-Thought Reasoning**: ReasoningTools enables structured step-by-step analysis
* **Web Search**: Searches the web for current information via WebSearchTools
* **Persistent Sessions**: SQLite database for conversation history across restarts